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March 2020

STN Database Updates continue as usual

March 2020

European Patent Office warns about possible delays in data delivery due to the Corona Crisis

March 2020

First 2020 Update to Emtree Now Available on STN(R)

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News Messages 2008

Derwent World Patents Index has been enhanced with Japanese Patent Classification Data 22. December 2008

Japanese Patent Classifications (FI-Terms) and FTERMs have been introduced in the Derwent WPI database (files WPINDEX/WPIDS/WPIX) in December 2008. About 5.25 million Japanese patents in about 4.5 million Derwent WPI documents have been equipped with current Japanese Classification data for 1966 to...

Pharmaceutical Substances (PS) updated with 51 pharmaceutical ingredients 05. December 2008

The database Pharmaceutical Substances (PS), a reference guide to pharmaceutical compound of significance, has been updated. In PS the most important substance identification data, trade information and structure searchable synthesis paths are compiled for important active pharmaceutical...

Patent specifications included in GBFULL 03. December 2008

Patent specifications are added to the GBFULL (United Kingdom Patents full text) file from update date November 28, 2008 onwards.

ChemPort single article sales feature unavailable 01. December 2008

At this time, the single article sales feature via ChemPort has been disabled for the purchase of ACS Publications. We apologize for any inconvenience this may have caused. If you have any questions, please contact CAS Customer Care (

Two new SET commands increase convenience of STN searching 28. November 2008

SET SPELLINGS Have you ever wondered whether including spelling variations of certain terms (such as sulfur or sulphur and aluminum or aluminium) in your search query would improve the retrieval of your answer sets? Now you can be assured of maximum retrieval by employing the new SET SPELLINGS...

CHEMSAFE now available on STN Easy 28. November 2008

On November 23, STN Easy customers can search CHEMSAFE, a database containing evaluated safety characteristics of approximately 2800 flammable substances and 500 of their mixtures. The database is in English with the abstract, controlled terms, mixture descriptors, and substance descriptors...

MEDLINE year-end processing temporarily halts availability of new fully-indexed citations 28. November 2008

NLM is currently involved in the annual MEDLINE year-end processing (YEP). These processing activities include changing the Medical Subject Headings (MeSH) and Supplementary Concept Substance Names on existing MEDLINE citations to conform to the 2009 version of MeSH. While daily updates are...

MARPAT enhanced with FSORT command 28. November 2008

MARPAT has been enhanced with the FSORT command. The FSORT command creates an L-number with patent records grouped by invention and displays statistics describing the location of patent families within the L-number. Answers may be displayed by using the PFAMILY display format as well as standard...

CAS patent coverage to include exemplified prophetic substances identified in English-, French-, and German-language basic patents from 2004-present 21. November 2008

CAS currently covers exemplified prophetic substances and uses from all new English-, French-, German-, and Japanese-language basic patents.

CHEMLIST enhanced with intermediate list of pre-registered REACH 24. October 2008

On October 7, 2008, the European Chemicals Agency (ECHA) published an intermediate list of approximately 40,000 substances pre-registered for REACH between June 1 and October 1, 2008 (








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